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California BIRTH Defects Monitoring

What is Hypospadias?

Hypospadias is a birth defect in boys in which the opening of the urethra is not located at the tip of the penis. In boys with hypospadias, the urethra forms abnormally during weeks 8–14 of pregnancy. The abnormal opening can form anywhere from just below the end of the penis to the scrotum. There are different degrees of hypospadias; some can be minor and some more severe.

Content provided by the Centers for Disease Control and Prevention (CDC). For information and references about hypospadias, please visit: Facts about Hypospadias.

Mother's Age	Prevalence Rate (per 10,000 births)
<20	35.5
20-24	38.1
25-29	40.8
30-34	38.8
35-39	48.2
40+	54.9
All Births	40.3

Mother's Race/Ethnicity*	Prevalence Rate
White	62.6
Black	45.2
Hispanic	30.6
Asian/Pacific Islander	36.8

*White, Black, Asian/Pacific Islander categories are all non-Hispanic

Male or unknown sex cases were used in numerator and male live births were used in denominator.

Data Source: California Birth Defects Monitoring Program Registry, 2012-2016 (PDF)

California Central Valley

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